Hosomichi, Kazuyoshi
Shiina, Takashi
Tajima, Atsushi http://orcid.org/0000-0001-6808-5491
Inoue, Ituro
Article History
Received: 18 May 2015
Revised: 10 June 2015
Accepted: 21 July 2015
First Online: 27 August 2015
Competing interests
: The authors declare no conflict of interest.